Mark C. Antonishen, M.D., P.L.L.C.
NPI 1861681819ActiveOrganization· Internal Medicine· Petoskey, MI
Internal Medicine in Petoskey, Michigan, registered in NPPES in October 2007. The authorized official on file is Mark C. Antonishen, M.D., President.
Overview
| NPI | 1861681819 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Oct 16, 2007 |
| Last updated in NPPES | Oct 16, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301046169 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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